How to improve the read rate of UHF RFID multi-tags? 2021-07-19
In the actual application of RFID, it is often required to read a large number of tags at the same time, such as the inventory of the quantity of goods in the warehouse, the inventory of the number of books in the library scene, and also include dozens or even hundreds on conveyor belts or pallets Reading of cargo labels. In the case of most goods being read, the probability of being successfully read is called the read rate.

In the hope that the reading distance is longer and the scanning range of the radio wave is wider, UHF RFID is generally used. Therefore, in the field of logistics and supply chain, UHF RFID technology is chosen worldwide. Therefore, the author will further elaborate on the issue of UHF RFID reading rate.

What are the factors that affect the UHF RFID read rate?

In addition to the reading distance and scanning direction mentioned above, the reading rate is also affected by many other factors. For example, the movement speed of the goods at the entrance and exit, the communication speed between the label and the reader, the material of the pasted goods and outer packaging, the way the goods are placed, the temperature and humidity of the environment, the height of the ceiling, and the reader and reader The influence between the devices and so on.

I believe that after reading the above description, you must realize that in the actual scene application of RFID, it is actually very easy to be affected by the external environment, and these different environmental factors are intertwined with each other, which together constitute the key difficulty to be overcome in the implementation of RFID projects. .

How to improve the read rate of RFID multi-tags?

If you want to increase the reading rate of multiple tags, you have to start from the reading principle.

In multi-tag reading, the reader first queries, and the tags respond to the reader’s query successively. If multiple tags respond at the same time during the reading process, the reader will query again, and the queried tag will be marked to make it "sleep" to prevent it from being read again. In this way, the high-speed data exchange processing between the reader and the tag is called congestion control and anti-collision.

If you want to increase the reading rate of multiple tags, you can expand the reading range and prolong the reading time, and you can also increase the number of information exchanges between the tag and the reader. In addition, the high-speed communication method between the reader and the tag can also increase the reading rate.

However, in the real world, the situation is too complicated. For example, sometimes there are metal products in the goods, which may cause the tags to be unreadable at some angles. Therefore, the direction of the antenna and the placement of the goods are very important factors, and a reasonable design is required to make the reader read the tag at all angles as much as possible.

Moreover, even if all kinds of work are done, other unexpected situations may occur, such as the electronic tag itself may be broken.

    share to :

New Products
  • Rfid Bracelet For Gym

    Waterproof GYM access control 13.56mhz silicone RFID smart wristband

    RFID technology is easy to use & configurable for your needs. Discover the advantages. A Global RFID Wristbands Leader in RFID Solutions, we create frictionless experiences for your guests. Experiential. RFID Solutions. Access. Payment. Services: Access, Payment, Experiential.

  • Flexible UHF Anti Metal Label

    China Manufacture Flexible UHF Anti Metal Label For RFID Asset Tracking System

    The tag is flexible and can be stuck on metallic assets easily, specially for irregular and uneven surface, such as steel boiler, metal container, steel pipe, etc. It has good performance on metal and can be printed with logo, numbers, text by RFID printers, such as Zebra ZT410 Silverline,Sato CL4NX,Toshiba SX-5,Postek TX3r,etc.Synchronous encoding is also available.

  •  Custom Waterproof RFID Wristband

    Custom Waterproof RFID Wristband for waterpark and resorts

    RFIDMH's silicone RFID wristbands are 100% waterproof, ideal for multi-day outdoor events, and use a fully bespoke design to make them unique to your event.

  • contactless wooden hotel key card

    13.56MHz wood RFID card contactless wooden hotel key card

    Our Wooden Business Cards are remarkably versatile, and will bring a refined sense of nature to your organization. Available in Walnut, Cherry and Birch. We offer eco-friendly options for your rfid card project. Choose from recycled PVC, wood, and other biodegradable and environmentally friendly materials.

Copyright © Shenzhen Meihe Induction Technology Co. Ltd. all rights reserved. powered by dyyseo.com / Sitemap / XML / Privacy Policy

welcome to Meihe
If you have any questions or requirements,please leave us a message,we will reply you in 1 hours during our working time. Contact us for free samples and free suggestions.
   

online service

Home

products

about

contact